class Student:
    def __init__(self,name,age,sex,address):
        self.name = name
        self.age = age
        self.sex = sex
        self.address = address

    def __str__(self):
        # return f"{self.name},{self.age},{self.sex},{self.address}"
        return f'Student("{self.name}",{self.age},"{self.sex}","{self.address}")'

    def __repr__(self):
        return self.__str__()